| Romanshorn to Ponteland | 703.67 mi (1,132.45 km) |
| Romanshorn to Pontneddfechan | 646.11 mi (1,039.82 km) |
| Romanshorn to Pontypridd | 632.45 mi (1,017.82 km) |
| Romanshorn to Poole | 556.21 mi (895.14 km) |
| Romanshorn to Port Glasgow | 831.07 mi (1,337.48 km) |
| Romanshorn to Port Talbot | 650.50 mi (1,046.89 km) |
| Romanshorn to Portchester | 523.77 mi (842.92 km) |
| Romanshorn to Porthcawl | 643.51 mi (1,035.63 km) |
| Romanshorn to Portishead | 606.29 mi (975.73 km) |
| Romanshorn to Portlethen | 813.81 mi (1,309.70 km) |
| Romanshorn to Portsmouth | 521.52 mi (839.30 km) |
| Romanshorn to Potters Bar | 513.04 mi (825.65 km) |
| Romanshorn to Poulton le Fylde | 691.60 mi (1,113.02 km) |
| Romanshorn to Poynton | 642.56 mi (1,034.10 km) |
| Romanshorn to Prescot | 669.33 mi (1,077.19 km) |
